1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/*
Unix SMB/CIFS implementation.
ID Mapping
Copyright (C) Simo Sorce 2003
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.*/
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_IDMAP
#if 0 /* NOT USED */
/**********************************************************************
Get the free RID base if idmap is configured, otherwise return 0
**********************************************************************/
uint32 idmap_get_free_rid_base(void)
{
uint32 low, high;
if (idmap_get_free_rid_range(&low, &high)) {
return low;
}
return 0;
}
/**********************************************************************
**********************************************************************/
BOOL idmap_check_ugid_is_in_free_range(uint32 id)
{
uint32 low, high;
if (!idmap_get_free_ugid_range(&low, &high)) {
return False;
}
if (id < low || id > high) {
return False;
}
return True;
}
/**********************************************************************
**********************************************************************/
BOOL idmap_check_rid_is_in_free_range(uint32 rid)
{
uint32 low, high;
if (!idmap_get_free_rid_range(&low, &high)) {
return False;
}
if (rid < algorithmic_rid_base()) {
return True;
}
if (rid < low || rid > high) {
return False;
}
return True;
}
/**********************************************************************
if it is a foreign SID or if the SID is in the free range, return true
**********************************************************************/
BOOL idmap_check_sid_is_in_free_range(const DOM_SID *sid)
{
if (sid_compare_domain(get_global_sam_sid(), sid) == 0) {
uint32 rid;
if (sid_peek_rid(sid, &rid)) {
return idmap_check_rid_is_in_free_range(rid);
}
return False;
}
return True;
}
#endif /* NOT USED */
/*****************************************************************
Returns SID pointer.
*****************************************************************/
NTSTATUS idmap_uid_to_sid(DOM_SID *sid, uid_t uid, int flags)
{
unid_t id;
DEBUG(10,("idmap_uid_to_sid: uid = [%lu]\n", (unsigned long)uid));
flags |= ID_USERID;
id.uid = uid;
return idmap_get_sid_from_id(sid, id, flags);
}
/*****************************************************************
Group mapping is used for gids that maps to Wellknown SIDs
Returns SID pointer.
*****************************************************************/
NTSTATUS idmap_gid_to_sid(DOM_SID *sid, gid_t gid, int flags)
{
unid_t id;
DEBUG(10,("idmap_gid_to_sid: gid = [%lu]\n", (unsigned long)gid));
flags |= ID_GROUPID;
id.gid = gid;
return idmap_get_sid_from_id(sid, id, flags);
}
/*****************************************************************
if it is a foreign sid or it is in idmap rid range check idmap,
otherwise falls back to the legacy algorithmic mapping.
Returns True if this name is a user sid and the conversion
was done correctly, False if not.
*****************************************************************/
NTSTATUS idmap_sid_to_uid(const DOM_SID *sid, uid_t *uid, uint32 flags)
{
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
unid_t id;
DEBUG(10,("idmap_sid_to_uid: sid = [%s]\n", sid_string_static(sid)));
flags |= ID_USERID;
ret = idmap_get_id_from_sid(&id, (int *)&flags, sid);
if ( NT_STATUS_IS_OK(ret) ) {
DEBUG(10,("idmap_sid_to_uid: uid = [%lu]\n", (unsigned long)id.uid));
*uid = id.uid;
}
return ret;
}
/*****************************************************************
*THE CANONICAL* convert SID to gid function.
if it is a foreign sid or it is in idmap rid range check idmap,
otherwise falls back to the legacy algorithmic mapping.
Group mapping is used for gids that maps to Wellknown SIDs
Returns True if this name is a user sid and the conversion
was done correctly, False if not.
*****************************************************************/
NTSTATUS idmap_sid_to_gid(const DOM_SID *sid, gid_t *gid, uint32 flags)
{
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
unid_t id;
DEBUG(10,("sid_to_gid: sid = [%s]\n", sid_string_static(sid)));
flags |= ID_GROUPID;
ret = idmap_get_id_from_sid(&id, (int *)&flags, sid);
if ( NT_STATUS_IS_OK(ret) )
{
DEBUG(10,("idmap_sid_to_gid: gid = [%lu]\n", (unsigned long)id.gid));
*gid = id.gid;
}
return ret;
}
/* placeholder for checking lp_winbind_nss_info() */
BOOL use_nss_info(const char *info)
{
int i;
const char **list = lp_winbind_nss_info();
for (i=0; list[i]; i++) {
if (strequal(list[i], info))
return True;
}
return False;
}
|
